This
isolates
one
calf
at
a
time.It
mainly
stresses
the
gastocnemius
or
the
larger
calf
muscle.

Implementation:(A)Your
body
will
be
facing
inward
for
this
exercise,
the
opposite
of
how
you
would
normally
use
the
hack
squat
machine.Position
your
shoulders
so
that
they
are
under
the
pads
of
the
machine.Stand
with
the
toes
of
one
leg
on
the
edge
of
the
machine
and
the
other
leg
behind
you.
Lower
your
heel
as
much
as
possible
getting
a
full
stretch,
(B)then
drive
back
up
onto
your
toes.
Finish
your
set,
then
do
the
same
with
the
other
leg.
If
one
of
your
calves
is
lagging
compared
to
the
other,
give
it
some
extra
sets
to
help
achieve
a
balance.